[m4_bmatch([$3], [%language "[Cc]\+\+"\|%skeleton "[a-z0-9]+\.cc"], [$1], [$2])])
m4_pushdef([AT_SKEL_JAVA_IF],
[m4_bmatch([$3], [%language "[Jj][Aa][Vv][Aa]"\|%skeleton "[a-z0-9]+\.java"], [$1], [$2])])
+# The target language: "c", "c++", or "java".
m4_pushdef([AT_LANG],
[AT_SKEL_JAVA_IF([java],
[AT_SKEL_CC_IF([c++],
[m4_bmatch([$3], [%define \(api\.location\.type\|location_type\)], [$1], [$2])])
m4_pushdef([AT_PARAM_IF],
[m4_bmatch([$3], [%parse-param], [$1], [$2])])
+# Comma-terminated list of formals parse-parameters.
+# E.g., %parse-param { int x } %parse-param {int y} -> "int x, int y, ".
+# FIXME: Support grouped parse-param.
+m4_pushdef([AT_PARSE_PARAMS])
+m4_bpatsubst([$3], [%parse-param { *\([^{}]*[^{} ]\) *}],
+ [m4_append([AT_PARSE_PARAMS], [\1, ])])
+
m4_pushdef([AT_PURE_IF],
[m4_bmatch([$3], [%define *api\.pure\|%pure-parser],
[m4_bmatch([$3], [%define *api\.pure *"?false"?], [$2], [$1])],
[m4_bmatch([$3], [\(%define api\.prefix\|%name-prefix\) ".*"],
[m4_bregexp([$3], [\(%define api\.prefix\|%name-prefix\) "\([^""]*\)"], [\2])],
[yy])])
+m4_pushdef([AT_TOKEN_CTOR_IF],
+[m4_bmatch([$3], [%define api.token.constructor], [$1], [$2])])
m4_pushdef([AT_TOKEN_PREFIX],
[m4_bmatch([$3], [%define api.token.prefix ".*"],
[m4_bregexp([$3], [%define api.token.prefix "\(.*\)"], [\1])])])
m4_popdef([AT_YYERROR_ARG_LOC_IF])
m4_popdef([AT_API_PREFIX])
m4_popdef([AT_API_prefix])
+m4_popdef([AT_TOKEN_PREFIX])
+m4_popdef([AT_TOKEN_CTOR_IF])
m4_popdef([AT_NAME_PREFIX])
m4_popdef([AT_GLR_OR_PARAM_IF])
m4_popdef([AT_PURE_AND_LOC_IF])
m4_popdef([AT_LOCATION_TYPE_IF])
m4_popdef([AT_LOCATION_IF])
+m4_popdef([AT_PARSE_PARAMS])
m4_popdef([AT_PARAM_IF])
m4_popdef([AT_LEXPARAM_IF])
m4_popdef([AT_YACC_IF])
# Must be called inside a AT_BISON_OPTION_PUSHDEFS/POPDEFS pair.
m4_define([AT_YYERROR_FORMALS],
[m4_case(AT_LANG,
-[c], [AT_YYERROR_ARG_LOC_IF([AT_YYLTYPE *llocp, ])[const char *msg]])[]dnl
+[c], [AT_YYERROR_ARG_LOC_IF([AT_YYLTYPE *llocp, ])AT_PARSE_PARAMS [const char *msg]])[]dnl
])
m4_define([AT_YYERROR_PROTOTYPE],
/* A C error reporting function. */
static
]AT_YYERROR_PROTOTYPE[
-{
-]AT_YYERROR_SEES_LOC_IF([[
- fprintf (stderr, "%d.%d",
- ]AT_LOC_FIRST_LINE[, ]AT_LOC_FIRST_COLUMN[);
- if (]AT_LOC_FIRST_LINE[ != ]AT_LOC_LAST_LINE[)
- fprintf (stderr, "-%d.%d",
- ]AT_LOC_LAST_LINE[, ]AT_LOC_LAST_COLUMN[ - 1);
- else if (]AT_LOC_FIRST_COLUMN[ != ]AT_LOC_LAST_COLUMN[ - 1)
- fprintf (stderr, "-%d",
- ]AT_LOC_LAST_COLUMN[ - 1);
+{]m4_bpatsubst(m4_defn([AT_PARSE_PARAMS]),
+ [[^,]+[^A-Za-z_0-9]\([A-Za-z_][A-Za-z_0-9]*\), *], [
+ YYUSE(\1);])dnl
+AT_YYERROR_SEES_LOC_IF([[
+ YY_LOCATION_PRINT (stderr, ]AT_LOC[);
fprintf (stderr, ": ");]])[
fprintf (stderr, "%s\n", msg);
}]],
[[# Defining POSIXLY_CORRECT causes bison to complain if options are
# added after the grammar file name, so skip these checks in that
# case.
-#
-# Don't just check if $POSIXLY_CORRECT is set, as Bash, when launched
-# as /bin/sh, sets the shell variable POSIXLY_CORRECT to y, but not
-# the environment variable.
-if env | grep '^POSIXLY_CORRECT=' >/dev/null; then :; else
+if test "$POSIXLY_CORRECT_IS_EXPORTED" = false; then
]AT_SAVE_SPECIAL_FILES[
# To avoid expanding it repeatedly, store specified stdout.
AT_CHECK([[$XSLTPROC \
`]]AT_QUELL_VALGRIND[[ bison --print-datadir`/xslt/xml2text.xsl \
xml-tests/test.xml]], [[0]], [expout])
- [cp xml-tests/test.dot expout]
+ [sort xml-tests/test.dot > expout]
AT_CHECK([[$XSLTPROC \
`]]AT_QUELL_VALGRIND[[ bison --print-datadir`/xslt/xml2dot.xsl \
- xml-tests/test.xml]], [[0]], [expout])
+ xml-tests/test.xml | sort]], [[0]], [expout])
[rm -rf xml-tests expout]
AT_RESTORE_SPECIAL_FILES
[fi]])
# otherwise pass "-c"; this is a hack. The default SOURCES is OUTPUT
# with trailing .o removed, and ".c" appended.
m4_define([AT_COMPILE],
-[AT_CHECK(m4_join([ ],
+[AT_CHECK([case $POSIXLY_CORRECT_IS_EXPORTED:$C_COMPILER_POSIXLY_CORRECT in
+ true:false) echo 'cannot compile properly with POSIXLY_CORRECT' && exit 77;;
+esac])
+AT_CHECK(m4_join([ ],
[$CC $CFLAGS $CPPFLAGS],
[m4_bmatch([$1], [[.]], [-c], [$LDFLAGS])],
[-o $1],
])
+
+# AT_SKIP_IF_CANNOT_LINK_C_AND_CXX
+# --------------------------------
+# Check that we can link together C and C++ objects.
+m4_define([AT_SKIP_IF_CANNOT_LINK_C_AND_CXX],
+[AT_DATA([c-and-cxx.h],
+[[#ifdef __cplusplus
+extern "C"
+{
+#endif
+ int fortytwo (void);
+#ifdef __cplusplus
+}
+#endif
+]])
+AT_DATA([c-only.c],
+[[#include "c-and-cxx.h"
+int
+main (void)
+{
+ return fortytwo () == 42 ? 0 : 1;
+}
+]])
+AT_DATA([cxx-only.cc],
+[[#include "c-and-cxx.h"
+int fortytwo ()
+{
+ return 42;
+}
+]])
+AT_COMPILE([c-only.o], [c-only.c])
+AT_COMPILE_CXX([cxx-only.o], [cxx-only.cc])
+AT_CHECK([$CXX $CXXFLAGS $CPPFLAGS $LDFLAGS c-only.o cxx-only.o -o c-and-cxx ||
+ exit 77], [ignore], [ignore])
+AT_PARSER_CHECK([./c-and-cxx])
+])
+
+
## ---------------------------- ##
## Running a generated parser. ##
## ---------------------------- ##
[0], [], m4_dquote($7))
m4_if(m4_index(m4_quote($3), [last-state]), -1,
- [AT_CHECK([[sed -n '/^state 0$/,$p' input.output]], [[0]],
+ [AT_CHECK([[sed -n '/^State 0$/,$p' input.output]], [[0]],
m4_dquote($8))],
- [AT_CHECK([[sed -n 's/^state //p' input.output | tail -1]], [[0]],
+ [AT_CHECK([[sed -n 's/^State //p' input.output | tail -1]], [[0]],
m4_dquote($8)[[
]])])